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libavcodec
tpeldsp.h
Go to the documentation of this file.
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/*
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* thirdpel DSP functions
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_TPELDSP_H
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#define AVCODEC_TPELDSP_H
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#include <stdint.h>
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/* add and put pixel (decoding) */
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// blocksizes for hpel_pixels_func are 8x4,8x8 16x8 16x16
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// h for hpel_pixels_func is limited to {width/2, width} but never larger
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// than 16 and never smaller than 4
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typedef
void
(*
tpel_mc_func
)(
uint8_t
*
block
/* align width (8 or 16) */
,
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const
uint8_t
*pixels
/* align 1 */
,
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int
line_size,
int
w,
int
h);
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typedef
struct
TpelDSPContext
{
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tpel_mc_func
put_tpel_pixels_tab
[11];
// FIXME individual func ptr per width?
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tpel_mc_func
avg_tpel_pixels_tab
[11];
// FIXME individual func ptr per width?
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}
TpelDSPContext
;
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void
ff_tpeldsp_init
(
TpelDSPContext
*c);
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#endif
/* AVCODEC_TPELDSP_H */
uint8_t
uint8_t
Definition:
audio_convert.c:194
TpelDSPContext
thirdpel DSP context
Definition:
tpeldsp.h:42
TpelDSPContext::avg_tpel_pixels_tab
tpel_mc_func avg_tpel_pixels_tab[11]
Definition:
tpeldsp.h:54
TpelDSPContext::put_tpel_pixels_tab
tpel_mc_func put_tpel_pixels_tab[11]
Thirdpel motion compensation with rounding (a + b + 1) >> 1.
Definition:
tpeldsp.h:53
void
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
tpel_mc_func
void(* tpel_mc_func)(uint8_t *block, const uint8_t *pixels, int line_size, int w, int h)
Definition:
tpeldsp.h:35
ff_tpeldsp_init
void ff_tpeldsp_init(TpelDSPContext *c)
Definition:
tpeldsp.c:312
block
static int16_t block[64]
Definition:
dct-test.c:88
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